for long drive+acquisition at low IF:
int4 gens with long envelope buffers
readouts with long accumulating buffers 

QICK configuration:

        Board: ZCU216

        Software version: 0.2.191
        Firmware timestamp: Wed Oct 11 12:55:20 2023

        Global clocks (MHz): tProcessor 107.520, RF reference 245.760

        4 signal generator channels:
        0:      axis_sg_int4_v1 - tProc output 1, envelope memory 65536 samples
                DAC tile 2, blk 0, 16-bit DDS, fabric=107.520 MHz, f_dds=430.080 MHz
        1:      axis_sg_int4_v1 - tProc output 2, envelope memory 65536 samples
                DAC tile 2, blk 1, 16-bit DDS, fabric=107.520 MHz, f_dds=430.080 MHz
        2:      axis_sg_int4_v1 - tProc output 3, envelope memory 65536 samples
                DAC tile 2, blk 2, 16-bit DDS, fabric=107.520 MHz, f_dds=430.080 MHz
        3:      axis_sg_int4_v1 - tProc output 4, envelope memory 65536 samples
                DAC tile 2, blk 3, 16-bit DDS, fabric=107.520 MHz, f_dds=430.080 MHz

        2 readout channels:
        0:      axis_readout_v2 - controlled by PYNQ
                ADC tile 2, blk 0, 32-bit DDS, fabric=107.520 MHz, fs=860.160 MHz
                maxlen 131072 (avg) 1024 (decimated)
                triggered by output 0, pin 14, feedback to tProc input 0
        1:      axis_readout_v2 - controlled by PYNQ
                ADC tile 2, blk 2, 32-bit DDS, fabric=107.520 MHz, fs=860.160 MHz
                maxlen 131072 (avg) 1024 (decimated)
                triggered by output 0, pin 15, feedback to tProc input 1

        4 DACs:
                DAC tile 2, blk 0 is 0_230, on JHC3
                DAC tile 2, blk 1 is 1_230, on JHC4
                DAC tile 2, blk 2 is 2_230, on JHC3
                DAC tile 2, blk 3 is 3_230, on JHC4

        2 ADCs:
                ADC tile 2, blk 0 is 0_226, on JHC7
                ADC tile 2, blk 2 is 2_226, on JHC7

        8 digital output pins:
        0:      PMOD0_0_LS (output 0, pin 0)
        1:      PMOD0_1_LS (output 0, pin 1)
        2:      PMOD0_2_LS (output 0, pin 2)
        3:      PMOD0_3_LS (output 0, pin 3)
        4:      PMOD0_4_LS (output 0, pin 4)
        5:      PMOD0_5_LS (output 0, pin 5)
        6:      PMOD0_6_LS (output 0, pin 6)
        7:      PMOD0_7_LS (output 0, pin 7)

        tProc axis_tproc64x32_x8: program memory 8192 words, data memory 4096 words
                external start pin: PMOD1_0_LS

        DDR4 memory buffer: 1073741824 samples, 128 samples/transfer
                wired to readouts [0, 1], triggered by output 0, pin 13

        MR buffer: 8192 samples, wired to readouts [0, 1], triggered by output 0, pin 12